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Conservation Physiology|February 4, 2021
Steroid hormones in Pacific walrus bones collected over three millennia indicate physiological responses to changes in estimated population size and the environmentPatrick Charapata, Lara Horstmann, Nicole Misarti
Rapid Communications in Mass Spectrometry : RCM|September 8, 2018
A novel method to measure steroid hormone concentrations in walrus bone from archaeological, historical, and modern time periods using liquid chromatography/tandem mass spectrometryPatrick Charapata, Lara Horstmann, Amber Jannasch, et al.
Integrative and Comparative Biology|August 6, 2026
A beginner's guide for using bone in marine mammal researchPatrick Charapata, Casey T Clark, Emily S Sperou, et al.
Conservation Physiology|August 27, 2020
Stress-related and reproductive hormones in hair from three north Pacific otariid species: Steller sea lions, California sea lions and northern fur sealsMandy J Keogh, Angela Gastaldi, Patrick Charapata, et al.
Toxins|February 25, 2025
Paralytic Shellfish Toxin Concentrations Measured in Alaskan Arctic Clams Using ELISA and HPLC MethodsPatrick Charapata, Emily K Bowers, Donnie Ransom Hardison, et al.
Harmful Algae|September 11, 2025
Walruses are potentially exposed to paralytic shellfish toxin concentrations that impact their health during Alexandrium blooms in the Alaskan ArcticPatrick Charapata, Evangeline Fachon, Donald M Anderson, et al.
Conservation Physiology|January 25, 2021
Whiskers as a novel tissue for tracking reproductive and stress-related hormones in North Pacific otariid pinnipedsMandy J Keogh, Patrick Charapata, Brian S Fadely, et al.
The Science of the Total Environment|December 15, 2020
Evidence of multi-decadal behavior and ecosystem-level changes revealed by reconstructed lifetime stable isotope profiles of baleen whale earplugsFarzaneh Mansouri, Zach C Winfield, Danielle D Crain, et al.
Nature|July 9, 2025
Bowhead whale faeces link increasing algal toxins in the Arctic to ocean warmingKathi A Lefebvre, Patrick Charapata, Raphaela Stimmelmayr, et al.
The Science of the Total Environment|September 12, 2022
Whiskers provide time-series of toxic and essential trace elements, Se:Hg molar ratios, and stable isotope values of an apex Antarctic predator, the leopard sealPatrick Charapata, Casey T Clark, Nathan Miller, et al.
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